No. J2371 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code.

What NDCs are billed under J2371?

CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 57 NDCs under J2371, for Phenylephrine HCl. The table on this page shows each one with its billing units per package.

What is the Medicare payment limit for J2371?

$0.002 per 20 mcg, effective October 1, 2026 through December 31, 2026, from CMS's Part B drug payment limit file. Multiply by the units billed for the allowed amount before deductible and coinsurance. It is not a coverage decision.

What is one billing unit of J2371?

One unit of J2371 is 20 micrograms, as stated in the code's descriptor. Units to report = dose given ÷ 20 micrograms.

J2371 J-Code: Phenylephrine hydrochloride — Billing Units

In short

J2371 is the HCPCS Level II code for injection, phenylephrine hydrochloride, 20 micrograms. CMS assigns NDCs for Phenylephrine HCl to it. One billing unit is 20 micrograms. The Medicare Part B payment limit is $0.002 per unit (October 1, 2026 through December 31, 2026).

Code

CMS HCPCS file

HCPCS codeJ2371

Billing unit20 micrograms

Descriptor: Injection, phenylephrine hydrochloride, 20 micrograms
Short descriptor: Inj phenylephrine hcl 20 mcg
Code set: HCPCS Level II, maintained by CMS
Effective: Jul 1, 2023

The billing unit is read from the descriptor. Confirm it against the CMS file before billing.

Medicare Part B payment limit

CMS ASP file

Payment limit per unit$0.002

Per20 mcg

Coinsurance20%

Effective October 1, 2026 through December 31, 2026. Payment allowance limits subject to the ASP methodology are based on 2Q26 ASP data. A payment limit is not a coverage decision; the Medicare contractor decides coverage. CMS ASP pricing files

Units and claim line

Enter the dose to get the units and the NDC line for the CMS-1500 and the 837P.

HCPCS units

Modifier

NDC (11-digit)

NDC unit qualifier

NDC quantity

Enter the units to build the claim line.

NDCs billed under J2371

CMS’s ASP NDC–HCPCS crosswalk (effective October 1, 2026 through December 31, 2026) assigns 57 NDCs to J2371 for Phenylephrine HCl. Billing units per package are CMS’s figures for this code’s unit.

NDCs assigned to J2371 in the CMS ASP crosswalk
Drug	NDC (11-digit)	Labeler	Package	Billing units per package
Phenylephrine HCl	00404-9931-99	Henry Schein Inc.	1	500
Phenylephrine HCl	00641-6142-25	Hikma Pharmaceuticals USA Inc.	25 × 1	12,500
Phenylephrine HCl	00641-6188-10	Hikma Pharmaceuticals USA Inc.	10 × 5	25,000
Phenylephrine HCl	00641-6189-10	Hikma Pharmaceuticals USA Inc.	10 × 10	50,000
Phenylephrine HCl	00641-6229-25	Hikma Pharmaceuticals USA Inc.	25 × 1	12,500
Phenylephrine HCl	00781-3422-92	Sandoz Inc.	10 × 1	5,000
Phenylephrine HCl	00781-3458-95	Sandoz Inc.	10 × 5	25,000
Phenylephrine HCl	00781-3466-70	Sandoz Inc.	10	5,000
Phenylephrine HCl	00781-9227-95	Sandoz Inc.	10 × 5	25,000
Phenylephrine HCl	00781-9228-70	Sandoz Inc.	10	5,000
Phenylephrine HCl	23155-0620-41	Heritage Pharmaceuticals Inc.	25 × 1	12,500
Phenylephrine HCl	25021-0315-01	Sagent Pharmaceuticals	25 × 1	12,500
Phenylephrine HCl	25021-0315-98	Sagent Pharmaceuticals	10	5,000
Phenylephrine HCl	25021-0315-99	Sagent Pharmaceuticals	10 × 5	25,000
Phenylephrine HCl	42023-0214-10	Endo USA, Inc.	10 × 5	25,000
Phenylephrine HCl	42023-0215-01	Endo USA, Inc.	10	5,000
Phenylephrine HCl	51662-1249-01	HF Acquisition Co. LLC, DBA HealthFirst	1	500
Phenylephrine HCl	51662-1576-03	HF Acquisition Co. LLC, DBA HealthFirst	25 × 1	12,500
Phenylephrine HCl	55150-0300-25	Eugia US LLC	25 × 1	12,500
Phenylephrine HCl	55150-0301-10	Eugia US LLC	10 × 5	25,000
Phenylephrine HCl	55150-0302-01	Eugia US LLC	10	5,000
Phenylephrine HCl	61990-0211-03	Apollo Pharmaceuticals Inc.	25 × 1	12,500
Phenylephrine HCl	61990-0212-02	Apollo Pharmaceuticals Inc.	10 × 5	25,000
Phenylephrine HCl	61990-0213-01	Apollo Pharmaceuticals Inc.	10	5,000
Phenylephrine HCl	63037-0173-25	Hikma Injectables USA Inc.	25 × 10	1,250
Phenylephrine HCl	63037-0174-25	Hikma Injectables USA Inc.	25 × 5	625
Phenylephrine HCl	63323-0751-01	FreseniUS Kabi USA, LLC	25 × 1	12,500
Phenylephrine HCl	63323-0751-05	FreseniUS Kabi USA, LLC	5	2,500
Phenylephrine HCl	63323-0751-10	FreseniUS Kabi USA, LLC	10	5,000
Phenylephrine HCl	63323-0751-13	FreseniUS Kabi USA, LLC	25 × 1	12,500
Phenylephrine HCl	65145-0115-25	Caplin Steriles USA Inc.	25 × 1	12,500
Phenylephrine HCl	70069-0801-25	Somerset Pharma, LLC	25 × 1	12,500
Phenylephrine HCl	70069-0802-10	Somerset Pharma, LLC	10 × 5	25,000
Phenylephrine HCl	70069-0803-01	Somerset Pharma, LLC	10	5,000
Phenylephrine HCl	70069-0811-25	Somerset Pharma, LLC	25 × 1	12,500
Phenylephrine HCl	70069-0812-10	Somerset Pharma, LLC	10 × 5	25,000
Phenylephrine HCl	70069-0813-01	Somerset Pharma, LLC	10	5,000
Phenylephrine HCl	70121-1577-05	Amneal Pharmaceuticals, LLC	25 × 1	12,500
Phenylephrine HCl	70121-1578-07	Amneal Pharmaceuticals, LLC	10 × 5	25,000
Phenylephrine HCl	70121-1579-01	Amneal Pharmaceuticals, LLC	10	5,000
Phenylephrine HCl	70756-0621-25	Lifestar Pharma	25 × 1	12,500
Phenylephrine HCl	70756-0622-10	Lifestar Pharma	10 × 5	25,000
Phenylephrine HCl	70756-0623-86	Lifestar Pharma	10	5,000
Phenylephrine HCl	71288-0807-02	Meitheal Pharmaceuticals Inc.	25 × 1	12,500
Phenylephrine HCl	71288-0808-76	Meitheal Pharmaceuticals Inc.	10 × 5	25,000
Phenylephrine HCl	71288-0808-77	Meitheal Pharmaceuticals Inc.	10	5,000
Phenylephrine HCl	72205-0264-25	Novadoz Pharmaceuticals LLC	25 × 1	12,500
Phenylephrine HCl	72205-0265-07	Novadoz Pharmaceuticals LLC	10 × 5	25,000
Phenylephrine HCl	72205-0266-07	Novadoz Pharmaceuticals LLC	10 × 10	50,000
Phenylephrine HCl	72485-0504-25	Armas Pharmaceuticals Inc.	25 × 1	12,500
Phenylephrine HCl	72485-0505-10	Armas Pharmaceuticals Inc.	10 × 5	25,000
Phenylephrine HCl	72485-0506-01	Armas Pharmaceuticals Inc.	10	5,000
Phenylephrine HCl	72572-0570-10	Civica, Inc.	10 × 10	50,000
Phenylephrine HCl	72572-0571-25	Civica, Inc.	25 × 1	12,500
Phenylephrine HCl	81284-0211-25	Apollo Pharmaceuticals	25 × 1	12,500
Phenylephrine HCl	81284-0212-10	Apollo Pharmaceuticals	10 × 5	25,000
Phenylephrine HCl	81284-0213-01	Apollo Pharmaceuticals	10	5,000

J2371: common questions

Is J2371 a CPT code?: No. J2371 is a HCPCS Level II code, maintained by CMS, that identifies the drug supplied. CPT codes are five-digit numbers from the AMA that describe services. Giving the drug, for example an injection or infusion, is usually reported with a separate CPT administration code. CPT codes for drug administration.
What NDCs are billed under J2371?: CMS's ASP crosswalk for October 1, 2026 through December 31, 2026 lists 57 NDCs under J2371, for Phenylephrine HCl. The table on this page shows each one with its billing units per package.
What is the Medicare payment limit for J2371?: $0.002 per 20 mcg, effective October 1, 2026 through December 31, 2026, from CMS's Part B drug payment limit file. Multiply by the units billed for the allowed amount before deductible and coinsurance. It is not a coverage decision.
What is one billing unit of J2371?: One unit of J2371 is 20 micrograms, as stated in the code's descriptor. Units to report = dose given ÷ 20 micrograms. J-code billing units.

J2371 — Injection, phenylephrine hydrochloride, 20 micrograms